JS: more robust error handling

Also, the upload form cannot be resent during processing

public_html/media/js/core.js

@@ -36,12 +36,15 @@ $(function()
 		aDom.addClass('inactive');
 
 		var url = $(this).attr('href') + '?json';
-		$.get(url, function(data)
+		$.get(url).always(function(data)
 		{
 			if (data['success'])
 				window.location.reload();
 			else
-				alert(data['message']);
+			{
+				alert(data['message'] ? data['message'] : 'Fatal error');
+				aDom.removeClass('inactive');
+			}
 		});
 	});
 });
@@ -78,7 +81,7 @@ $(function()
 			aDom.addClass('inactive');
 
 			var url = $(this).attr('href') + '?json';
-			$.get(url, {submit: 1}, function(data)
+			$.get(url, {submit: 1}).always(function(data)
 			{
 				if (data['success'])
 				{
@@ -91,7 +94,7 @@ $(function()
 				}
 				else
 				{
-					alert(data['message']);
+					alert(data['message'] ? data['message'] : 'Fatal error');
 					aDom.removeClass('inactive');
 				}
 			});

public_html/media/js/mass-tag.js

@@ -16,7 +16,7 @@ $(function()
 			aDom.addClass('inactive');
 
 			var url = $(this).attr('href') + '?json';
-			$.get(url, {submit: 1}, function(data)
+			$.get(url, {submit: 1}).always(function(data)
 			{
 				if (data['success'])
 				{
@@ -28,7 +28,7 @@ $(function()
 				}
 				else
 				{
-					alert(data['message']);
+					alert(data['message'] ? data['message'] : 'Fatal error');
 					aDom.removeClass('inactive');
 				}
 			});

public_html/media/js/post-view.js

@@ -87,6 +87,12 @@ $(function()
 					formDom.find(':input').attr('readonly', false);
 					formDom.removeClass('inactive');
 				}
+			},
+			error: function()
+			{
+				alert('Fatal error');
+				formDom.find(':input').attr('readonly', false);
+				formDom.removeClass('inactive');
 			}
 		};
 
@@ -147,6 +153,12 @@ $(function()
 					formDom.find(':input').attr('readonly', false);
 					formDom.removeClass('inactive');
 				}
+			},
+			error: function()
+			{
+				alert('Fatal error');
+				formDom.find(':input').attr('readonly', false);
+				formDom.removeClass('inactive');
 			}
 		};
 

public_html/media/js/upload.js

@@ -60,6 +60,8 @@ $(function()
 
 	$('.post .move-down-trigger, .post .move-up-trigger').on('click', function()
 	{
+		if ($('#the-submit').hasClass('inactive'))
+			return;
 		var dir = $(this).hasClass('move-down-trigger') ? 'd' : 'u';
 		var post = $(this).parents('.post');
 			if (dir == 'u')
@@ -69,6 +71,8 @@ $(function()
 	});
 	$('.post .remove-trigger').on('click', function()
 	{
+		if ($('#the-submit').hasClass('inactive'))
+			return;
 		$(this).parents('.post').slideUp(function()
 		{
 			$(this).remove();
@@ -119,6 +123,11 @@ $(function()
 					postDom.find('.alert').html(data['messageHtml']).slideDown();
 					enableUpload();
 				}
+			},
+			error: function(data)
+			{
+				postDom.find('.alert').html('Fatal error').slideDown();
+				enableUpload();
 			}
 		};
 
@@ -152,6 +161,8 @@ $(function()
 	{
 		e.preventDefault();
 		var theSubmit = $(this);
+		if (theSubmit.hasClass('inactive'))
+			return;
 		disableUpload();
 		sendNextPost();
 	});